A philosophical and practical essay on the gold and silver mines of Mexico and Peru [microform] : containing the nature of the ore, and the manner of working the mines, the qualities and use of quicksilver, the cleansing and refining these metals : with many useful observations concerning the assay of metals, the manner of conveying them to Europe, and remarks on the gold mines in Hungary, and those of Asia and Africa /
Hernández, Jaime,Father
London : Printed for J. Scott ...,
1755.
Sabin 31518
Microfiche.
Gold mines and mining
Gold mines and mining
Silver mines and mining
Silver mines and mining